[Webkit-unassigned] [Bug 159986] New: WebBackForwardList's currentIndex could get out of bounds when filtering items.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Jul 20 14:22:50 PDT 2016


https://bugs.webkit.org/show_bug.cgi?id=159986

            Bug ID: 159986
           Summary: WebBackForwardList's currentIndex could get out of
                    bounds when filtering items.
    Classification: Unclassified
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: yongjun_zhang at apple.com

In WebBackForwardList::backForwardListState, if we are filtering multiple items and generating a new BackForwardListState, the new list's currentIndex could get out of bounds. If we restore the new state to a web view, accessing to its currentItem later could lead to a crash.

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